for questions concerning Ubuntu's kernel, including compiling and questions relating to modules

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2
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0answers
170 views

Encrypted disk kernel warning - initramfs image won't boot

After an upgrade to 14.10 on my netbook, I can only manage to boot with the old kernel remaining from the previous 14.04 installation. For the most recent kernels, I get this warning when they are ...
0
votes
0answers
105 views

Dell 5737 freezes on ubuntu14 everytime during resume from suspend

My dell 5737 laptop was running all fine on 12.04. As soon as I upgraded to 14.04 I am consistenly running into system freeze everytime system attempts to resume from suspend. This happens when I ...
1
vote
1answer
73 views

Can't delete all unused kernels

I am trying to remove all my unused kernels but it is not working. My dpkg --list | grep linux-image result is as follows: ii linux-image-3.13.0-24-generic 3.13.0-24.46 ...
0
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0answers
15 views

Modules in /proc/modules address issue

If I cat of the /proc/modules the RAM address location of modules is always 0x0000000000000000. Any ideas? vmnet 51316 13 - Live 0x0000000000000000 (OX) parport_pc 32701 0 - Live 0x0000000000000000 ...
-1
votes
1answer
54 views

There's a way ubuntu's kernel supports my video card?

Well my problem is my old gaming laptop is not compatible with the ubuntu kernel, (as far as i read) that happened since i upgraded to ubuntu 13.10, my video card is an ATI Radeon HD 3650 and each ...
0
votes
1answer
39 views

What is the easiest way to clean the boot folder in Ubuntu 14.04 when you have 0 bytes left [duplicate]

I have tried to look on ask Ubuntu and all answers say the same thing. I have tried lots of them and still no luck; is Ubuntu 14.04 code specific? Please help. : )
0
votes
2answers
109 views

custom iso, error rebuilding initrd (mkinitramfs)

I'm creating a custom ISO (starting with ubuntu-14.04.1-server-amd64.iso) and wanting to upgrade it's kernel to latest (for me that's 3.13.0-38-generic). I'm following the instructions in ...
0
votes
1answer
54 views

Upgrade from 12.04 to 14.04. Kernel not upgraded

I had upgraded a VPS server from 12.04 to 14.04, but recently noticed that that the kernel is 2.6.32. I am not an expert Linux user but unfortunately, it is my responsibility. I have checked how to ...
1
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0answers
35 views

Why `apt-get dist-upgrade` in EC2 image does not update the kernel?

I've built a system running Ubuntu 14.04 on EC2, using the AMI from Ubuntu's cloud-images repository. The AMI includes kernel 3.13.0-37, but 3.13.0-39 is available as an update. After running ...
0
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0answers
25 views

How do I implement multiple keymaps into a kernel?

my problem is as follows: I have a custom-made kernel that has no functionality in regards of changing the keyboard mapping. It is possible to compile a different keymap into it, but that's it. The ...
0
votes
0answers
40 views

Unable to boot Ubuntu 14.04 on Dell Precision T7500

I tried to install Ubuntu 14.04 64-bit on my DELL Precision T7500 workstation. But even after trying for many times, the installation process hangs in between. So I installed Ubntu 13.10 64-bit. Later ...
0
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0answers
67 views

Kernel panic Ubuntu 14.04 kernel 3.13.0.39

When booting the computer I get the message kernel panic. I reboot the computer, and on this second boot I get the screen where I can choose kernel versions. If I choose kernel 3.13.0.3 generic the ...
2
votes
0answers
118 views

Why can't my udev rules rename kernel device nodes after upgrading from 12.04 to 14.04

In Ubuntu 12.04 I wrote the following udev rules to fix the /dev name of a USB RF remote control. These were: KERNEL=="event[0-9]*", ATTRS{name}=="BTC USB Multimedia Cordless Keyboard", ...
0
votes
2answers
46 views

Interpreting uname output: 32 or 64 bit?

I used uname command and obtained: Linux rufusruffcutt 3.2.0-35-generic-pae #55-Ubuntu SMP Wed Dec 5 18:04:39 UTC 2012 i686 i686 i386 GNU/Linux What do this mean and how can I tell if this is a 32- ...
0
votes
1answer
43 views

how to modify kernel to activate SPI-devices on 12.04 Pandaboard?

There are many examples online for modifying and building kernel, but non of them would realy work! I want to activate SPI-Devices to work with. It needs also GPIO-Interrupt for triggering ...
1
vote
2answers
62 views

Recovering grub using Ubuntu Live USB

I have Ubuntu 14.04 (64-bit) installed on a Dell server. I wanted to use one of the earlier kernel versions and I edited /etc/default/grub for this. It seems like I made something wrong. After ...
0
votes
1answer
204 views

Remove Old Kernel to free disk space

My system has old Ubuntu kernels but I am unable to remove them. How can I remove my old kernel to free my hard disk. Here are some outputs of commands I tried: $ sudo apt-get remove --purge ...
0
votes
0answers
25 views

Circumventing MacBook Pro's motion sensor using /dev/input/js0 as a joystick

I'm on a MacBook Pro 8,1 running 14.04 and I've never plugged in any device with a joystick to my laptop. When I was trying to fix an input problem I was having, I checked /dev/input/js0 thinking that ...
0
votes
0answers
158 views

ubuntu 14.10 shows kernel panic error on startup after upgrade from 14.04

i upgraded from 14.04 to 14.10, when prompted by the system update utility during the upgrade some packages did not install properly / gave errors (i cant remember which packages) after restart it ...
0
votes
1answer
61 views

ubuntu 14.04 not working after kernel update how can I save my ubuntu system?

ubuntu 14.04 not working after kernel update how can I save my ubuntu system? yesterday , when I updated the ubuntu 14.04 and its kernel core , it asked me for a reboot! and then I cant access to my ...
1
vote
1answer
82 views

Updating linux kernel

Is it possible to update the Linux kernel without installing a new version of the Linux distro? If I want to download the kernel from the Linux website and manually install by compiling it, how can it ...
0
votes
1answer
15 views

Toshiba 2800-200 lubuntu installation failure

So I have an old toshiba running win ME, and I want to use it again. I thought I could just install lubuntu with a pen drive. The problem is when I choose the installation mode, it freezes until i ...
0
votes
1answer
277 views

Unable to boot after update to linux-image-3.13.0-39-generic

Running Ubuntu 12.04 LTS on Intel-based computer. I ran the update package for a new release Linux and it seemed to be successful, but when rebooting, I was unable to boot. I booted to a previous ...
1
vote
3answers
433 views

Can't run a fresh install of Ubuntu 14.10, shows kernel panic

I tried to install Ubuntu 14.10 (or 14.04) 64-bit on an older Acer laptop (but not a totally weak one, I could run Ubuntu 14.04 on it before). It could install or boot from an USB drive (created via ...
0
votes
0answers
43 views

How to resolve the kernel panic problem of my ubuntu os?

The system has crashed (kernel panic) several times where a black console screen appears (figure below) displaying "Kernel panic.. switching back to text console" & the system freezes (requiring ...
0
votes
1answer
206 views

Gave up waiting for root device ubuntu 14.10

I have recently installed Ubuntu 14.10 (kernel v3.16.0-23) I am new to Linux environment and learning how to compile-install-boot new kernel image. I downloaded kernel 3.17.2. Compiled and built the ...
0
votes
1answer
61 views

A question about the last security update for Ubuntu [duplicate]

I'm subscribed to the Ubuntu Security Notes, so everytime that I receive an e-mail, a new update is avalable. But in the last update, they wrote something in the end that I coudn't undertand much, so ...
0
votes
1answer
44 views

Can linux-lowlatency be used with UEFI secure boot?

I am using the linux-lowlatency package as my main kernel (as the generic kernel produces horrible lags while playing audio to my bluetooth speakers). I regularly find that my /boot partition is ...
0
votes
1answer
148 views

Install 64-bit kernel in 32-bit Ubuntu

I want to use an application that is only available in 64-bit, but my Ubuntu installation is 32-bit. The application is proprietary, so I can't even recompile it for 32-bit. I've read that I should ...
0
votes
1answer
13 views

Dynamic Right sizing for TCP implementation in linux

Is Dynamic Right Sizing(DRS) implemented in linux kernel(3.4 and above) by default?.In this link(http://public.lanl.gov/radiant/software/drs.html) patches for kernel 2.4.23 and 2.4.8 are available but ...
0
votes
0answers
150 views

grub rescue> unknown command “kernel”

I have Ubuntu 12.04 installed on my laptop, everything worked fine, but today I got this message: error: hd0 out of disk. grub rescue> This happened to me before, and usually I solved it with ...
0
votes
1answer
161 views

I can't upgrade kernel on Ubuntu Server 14.04.1

today I made a mistake and now I don't know how can I fix it. I updated the kernel using dist-upgrade and I installed Linux 3.13.0-39-generic on my server. I had Linux 3.13.0-37-generic. The thing ...
0
votes
0answers
27 views

Disable psmouse add start up using modprobe

My touchpad just doesn't work and acts strange so I have to disable it with sudo modprobe -r psmouse every time I boot into Ubuntu. But how can I make this change permanently and no need to re-enter ...
3
votes
2answers
488 views

No user input after upgrading to ubuntu 14.10 with linux kernel 3.16

After upgrading from Ubuntu 14.04 to 14.10, I am no longer able to use my keyboard and mouse to do anything. I can't even get to a tty terminal. All I can do is stare at the login screen, or do a hard ...
1
vote
1answer
22 views

How to build a separate kernel in the home directory

I'm a linux newbie. How does one build a separate kernel on the home directory other than the usual /usr/src/linux location. Is it possible to do so? Can someone elaborate the steps?
0
votes
0answers
21 views

Compile lightest kernel for ubuntu 14.04 [duplicate]

I want to compile my own kernel for Ubuntu 14.04 64bits and do it the lightest as possible following this criteria: Lightest Kernel only with Visual Interface, no need lan, wlan, sound, etc... With ...
0
votes
0answers
90 views

LVM VG is not activated during system boot

Since upgrade from Ubuntu 14.04 to 14.10, one of my VGs doesn't come online when the system boots up, and unfortunately, this VG has my root FS, thus I'm dropped to the initrd BusyBox prompt. ...
0
votes
1answer
36 views

Crashkernel is still being added by update-grub after removing linux-crashdump

Once I installed linux-crashdump by following this tutorial: https://wiki.ubuntu.com/Kernel/CrashdumpRecipe But I don't need it anymore, so I removed the linux-crashdump, crash, kdump-tools packages. ...
0
votes
1answer
125 views

Ubuntu (Kubuntu) not loading - problem with ati catalyst proprietary drivers

I have problem - upgrade kubuntu 14.04 to 14.10 and after this os not loading. I try with fresh install of ubuntu, after formating but problem is same. I see on driver notes this, may be this is ...
0
votes
1answer
129 views

Linux kernel discrepancy 3.11 and 14.04

I am trying to execute this command: $ sudo apt-get install build-essential linux-headers-$(uname -r) Reading package lists... Done Building dependency tree Reading state information... Done ...
0
votes
1answer
17 views

Read vlan priority and write that priority in text file [closed]

I want to read vlan packet in such a way that it should read vlan Id and vlan priority and write it in text file. My text file having pairs like "vlanid vlanproirity". 1. How do i read vlan id and ...
1
vote
1answer
2k views

How can I install Ubuntu 14.10's kernel in Ubuntu 14.04 LTS?

I have been able to download kernel 3.16 from the ubuntu mainline kernel repository . However, I am more interested to know if the kernel shipped by default with Ubuntu 14.10 can be installed in ...
2
votes
1answer
2k views

AMD Catalyst Drivers 14.9 needs kernel-headers on 14.10, altough it is missing a version for Utopic

Within the release of Ubuntu 14.10 Utopic Unicorn I've decided to upgrade for it, in hope of better support to my graphics card from AMD, because in the release notes of both Catalyst and Ubuntu it ...
0
votes
0answers
104 views

How to install usbserial and ftdi_sio modules to 14.04 Trusty Vagrant box?

I started a Vagrant box from https://cloud-images.ubuntu.com/vagrant/trusty/current/trusty-server-cloudimg-i386-vagrant-disk1.box. For some reason, this box does not seem to include usbserial and ...
0
votes
2answers
47 views

ubuntu 12.04 often getting freeze

I am using linux ubuntu 12.04 since last 10 months. Now a days my system getting freeze often. I can not work frequently even for 10 mins. My system config: Ubuntu Release 12.04 (precise) 32-bit ...
0
votes
2answers
124 views

Software updater reverting to previous kernel version

I have Ubuntu 14.04 LTS and I have updated it to the latest stable Ubuntu kernel: Linux version 3.17.1-031701-generic (apw@gomeisa) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201410150735 ...
0
votes
1answer
239 views

Kubuntu 14.10 kernel panic

I downloaded and burned the Kubuntu 14.10 amd64 iso. My laptop was running Kubuntu 14.04 amd64; it is a 4-year-old Dell Studio 17. When booting from the DVD, there is a kernel panic, unable to mount ...
0
votes
1answer
139 views

Problem compiling JOS - undefined reference to `__udivdi3' and `__umoddi3'

I'm taking a class on operating systems this semester and have ran into a problem while setting everything up. I cloned the git repository for the JOS operating system and would like to try to ...
1
vote
1answer
15 views

Load_Cycle_Cont increase quick / green hdd dead

an old bug is still there: I use a normal hdd, and the Load_Cycle_Count increade very quick. Every few secounds go the hdd to the park position and is wake up again. One hdd i lost because this bug. ...
0
votes
1answer
165 views

Dell XPS 13 9333, touchpad not working with kernel 3.16 in Utopic Unicorn

So I upgraded today my distribution, from 14.04 Trusty Thar to 14.10 Utopic Unicorn. I had issues with the touchpad on 14.04 (jumping cursor while typing stuff) and the Synaptics upstream driver ...